Eden Hazard is the only Chelsea star to make the Uefa Team of the Year shortlist

The missing piece at the moment is Thorgan, 24, who was on the books at Stamford Bridge between 2012-15 and is currently impressing against at Borussia Monchengladbach.

Bild claim the Blues have never stopped monitoring the middle brother’s progression and the fact he has scored five in 13 Bundesliga games so far this season will be no secret.

Chelsea have proved in the past with repeat moves for David Luiz, Didier Drogba and Nemanja Matic that are not adverse to signing the same player twice.

And, in February, the forward opened the door to a Premier League return, Thorgan said: “The Bundesliga is a good championship and for now, I want to stay here. In the future maybe I will be in England again.